#Fill in the blanks.
1._______ is the natural satellite of the Earth.
2._______ and _______were the first persons to climb Mount Everest in 1953.
3 ________is the first Indian woman to climb Mount Everest twice.
4. Moving track or path of a planet around the Sun is___________
5. The name of the space shuttle that carried Kalpana Chawla into space was________​